In Exercises 29–36, use technology to evaluate the given expression. Take A = [ 1.5 − 2.35 5.6 44.2 0 12.2 ] , A = [ 1.4 7.8 5.4 0 5.6 6.6 ] , and A = [ 10 20 30 − 10 − 20 − 30 ] . ( 2.1 A − 2.3 C ) T
In Exercises 29–36, use technology to evaluate the given expression. Take A = [ 1.5 − 2.35 5.6 44.2 0 12.2 ] , A = [ 1.4 7.8 5.4 0 5.6 6.6 ] , and A = [ 10 20 30 − 10 − 20 − 30 ] . ( 2.1 A − 2.3 C ) T
Find simpler expressions for the quantities in Exercises 45–48.
In Exercises 57–64, solve for t.
For Exercises 34 – 36, use the following information. Soto wants to enlarge a digital photograph that is 1800 pixels wide and 1600 pixels high (1800 x 1600) by a scale factor of
34. What will be the dimensions of the new digital photograph?
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